<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .text{

        }
        .text-1{
            width: 1000px;
            height: 20px;
            float: left;
            border: 1px solid #c93a3a;
        }
        .text-2{
            height: 555px;
            width: 980px;
            float: right;
            border: 1px solid pink;
            display: none;
        }
        .text:hover .text-2{
            display: block;
        }
    </style>
</head>
<body>
<div class="text">
    <div class="text-1">
        <a href="#">家用电器</a>
        <div class="text-2">
            内容一
        </div>
    </div>


</div>
</body>
</html>